from tkinter import *

x,y=map(int,input('введите кординаты точек').split())


N=int(input('введите коэфициент увиличения'))
coords=[x,y x+10,y, x+10,y+10, x+20,y+10, x+20,y, x+30,y, x+30,y+20, x,y+20,]

if N == 0 and x>=0 and x<=500 and y>=0 and y<=500:
    pass
else:
    if N > 0  and 0*N+x>=0 and 0*N+y>=0 and 20*N+x<=500 and 20*N+y<=500:
        pass
    else:
        if N < 0 and 20*N+x>=0 and 20*N+y>=0 and 0*N+x<=500 and 0*N+y<=500:
            pass
        elese:
             print('размер фигуры превышает максимальный размер поля')
             exit()
root = Tk()
root.title("IT марафон-ГБОУ школа №1449")
root.geometry("500x500")
canvas = Canvas(bg="green", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] *N+x, coords[1] *N+y,
                        coords[2] *N+x, coords[3] *N+y,
                        coords[4] *N+x, coords[5] *N+y,
                        coords[6] *N+x, coords[7] *N+y,
                        coords[8] *N+x, coords[9] *N+y,
                        coords[10] *N+x, coords[11] *N+y,
                        coords[12] *N+x, coords[13] *N+y,
                        coords[14] *N+x, coords[15] *N+y, fill='yellow')


root.mainloop()